Two elements ‘X’ and ‘Y’ belong to group 1 and 2 respectively in the same period of the periodic table compare them with respect to: (i) Their Valancies
(ii) Metallic Characters
(iii) The formula of their oxides
(iv) The formula of their chlorides
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(i) The number of valence electrons in element X is 1 while in element Y is 2. (ii) The valency of element X is 1 and that of element Y is 2. (iii) Element X is more metallic than element Y. (iv) The size of atom X is more than that of atom Y.
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